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Paha777 [63]
3 years ago
14

Please help I’ll mark as brainliest !

Mathematics
2 answers:
gtnhenbr [62]3 years ago
5 0
Answer: 0.6

Explanation: Rid one side of any variables, then solve!
valkas [14]3 years ago
3 0

Answer:

x = 0.6

Step-by-step explanation:

2(x+4)+8x = 14

2x+8+8x = 14

10x+8 = 14

10x = 6

(divide by 10)

x= 0.6

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Need help plz help i need to get this done
Leona [35]

Answer:

42

Step-by-step explanation:

5 0
3 years ago
How would I solve these equations?
kozerog [31]
51) 5x-1=0 and x+6=0
5x=1, x=1/5 and x=-6
2 solutions x=1/5 and x=-6

52)x(2x+3)=0
2x=0 and 2x+3 =0
x=0   and x=-3/2=-1.5

53) x(5x-1)=0
x=0 and 5x-1=0
x=0 and x=1/5

54) z(4z+7) =0
z=0 and 4z+7=0
z=0 and z= - 7/4 = -1.75
z=0 and z=-1.75
4 0
3 years ago
Read 2 more answers
the length of a rectangle is 4a + 5, the width of the same rectangle is 2a -3 if the perimeter of the rectangle is 76 what is th
viktelen [127]

Answer:

Here

perimeter=76

length =4a+5

breadth=2a-3

we know,

perimeter=2(length+breadth)

76=2(4a+5+2a-3)

76=2(7a+2)

76=14a+4

76-4=14a

72=14a

72÷14=a

a=5.14

7 0
2 years ago
Evaluate the given expression if a​ = 2 and ​b​ = -4 <br> a2-b3
IceJOKER [234]

Answer:

31

Step-by-step explanation:

{a}^{2}  -  {b}^{3}  \\  \\  =  {(2)}^{2}  -  {( - 3)}^{3}  \\  \\  = 4 - ( - 27) \\  \\  = 4 + 27 \\  \\  = 31

5 0
3 years ago
Adding and subtracting what is the solution to x = 4 = 12
marshall27 [118]
The answer would be 3 because 3✖️4= 12
8 0
3 years ago
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